81012388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{1783}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 146159552

約数和(自身を除く): 65147164

約数列:

[1, 2, 4, 37, 74, 148, 307, 614, 1228, 1783, 3566, 7132, 11359, 22718, 45436, 65971, 131942, 263884, 547381, 1094762, 2189524, 20253097, 40506194, 81012388]

約数ペア:

[(1, 81012388), (2, 40506194), (4, 20253097), (37, 2189524), (74, 1094762), (148, 547381), (307, 263884), (614, 131942), (1228, 65971), (1783, 45436), (3566, 22718), (7132, 11359)]